1 files changed, 55 insertions, 0 deletions
diff --git a/test/py/tests/test_extension.py b/test/py/tests/test_extension.py
new file mode 100644
index 00000000000..61223496054
--- /dev/null
+++ b/test/py/tests/test_extension.py
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier:  GPL-2.0+
+# Copyright (c) 2020
+# Author: Kory Maincent <kory.maincent@bootlin.com>
+
+# Test U-Boot's "extension" commands.
+
+import os
+import pytest
+import utils
+
+overlay_addr = 0x1000
+
+SANDBOX_DTB='arch/sandbox/dts/sandbox.dtb'
+OVERLAY_DIR='arch/sandbox/dts/'
+
+def load_dtb(ubman):
+    ubman.log.action('Loading devicetree to RAM...')
+    ubman.run_command('host load hostfs - $fdt_addr_r %s' % (os.path.join(ubman.config.build_dir, SANDBOX_DTB)))
+    ubman.run_command('fdt addr $fdt_addr_r')
+
+@pytest.mark.buildconfigspec('cmd_fdt')
+@pytest.mark.boardspec('sandbox')
+def test_extension(ubman):
+    """Test the 'extension' command."""
+
+    load_dtb(ubman)
+
+    output = ubman.run_command('extension list')
+    # extension_bootdev_hunt may have already run.
+    # Without reboot we cannot make any assumption here.
+    # assert('No extension' in output)
+
+    output = ubman.run_command('extension scan')
+    assert output == 'Found 2 extension board(s).'
+
+    output = ubman.run_command('extension list')
+    assert('overlay0.dtbo' in output)
+    assert('overlay1.dtbo' in output)
+
+    ubman.run_command_list([
+        'setenv extension_overlay_addr %s' % (overlay_addr),
+        'setenv extension_overlay_cmd \'host load hostfs - ${extension_overlay_addr} %s${extension_overlay_name}\'' % (os.path.join(ubman.config.build_dir, OVERLAY_DIR))])
+
+    output = ubman.run_command('extension apply 0')
+    assert('bytes read' in output)
+
+    output = ubman.run_command('fdt print')
+    assert('button3' in output)
+
+    output = ubman.run_command('extension apply all')
+    assert('bytes read' in output)
+
+    output = ubman.run_command('fdt print')
+    assert('button4' in output)
+